Radial columns in cortical architecture: it is the composition that counts
- PMID: 20667930
- PMCID: PMC2936809
- DOI: 10.1093/cercor/bhq127
Radial columns in cortical architecture: it is the composition that counts
Abstract
The function of any brain structure depends on its neuronal composition and on the pattern of its extrinsic and intrinsic excitatory and inhibitory synaptic connectivity. In this issue of Cerebral Cortex, 3 related papers provide the most comprehensive analysis to date of the cellular and synaptic relationships of a standard cortical column in the somatosensory cortex of the Wistar rat. It is hoped that understanding normal composition of this archetypical cortical column may help to explain its functional operations, expose subtle pathological changes that could cause abnormal sensory and cognitive functions, and provide insight into evolution of the cerebral cortex.
Comment on
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Dimensions of a projection column and architecture of VPM and POm axons in rat vibrissal cortex.Cereb Cortex. 2010 Oct;20(10):2265-76. doi: 10.1093/cercor/bhq068. Epub 2010 May 7. Cereb Cortex. 2010. PMID: 20453248 Free PMC article.
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Cell type-specific thalamic innervation in a column of rat vibrissal cortex.Cereb Cortex. 2010 Oct;20(10):2287-303. doi: 10.1093/cercor/bhq069. Epub 2010 Jun 9. Cereb Cortex. 2010. PMID: 20534783 Free PMC article.
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Number and laminar distribution of neurons in a thalamocortical projection column of rat vibrissal cortex.Cereb Cortex. 2010 Oct;20(10):2277-86. doi: 10.1093/cercor/bhq067. Epub 2010 Jun 9. Cereb Cortex. 2010. PMID: 20534784 Free PMC article.
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